Dental handpiece



FIG. 1 is a front, left-end and top perspective view of a dentalhandpiece, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right end view thereof;

FIG. 5 is a left end view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a dental handpiece, as shown.